Measuring apparatus and test equipment for cables and cable systems, electrical surge generators, phase angle test instrument, cable fault prelocating equipment, differential search coils (electric), electrical power filters, electrical diode couplers, electrical capacitors and capacitor systems, spark gaps integrated in test equipment, tone frequency generators, tone frequency transmitters and receivers for cable locating, electrical test and measurement instrumentation for the underground mining industry, particularly electric signal generators, pressure detectors, trouble indicators, control fire-extinguishing apparatus; instrumentation, flow detectors and flow analyzers, including transducers, pressure test equipment and pressure transducers, electrical test and acquisition equipment for flow measurement and pressure measurement, power supply (electrical) fields for the alternative upper case of single ranges and for the simultaneous acquisition of all sharing datas, movable and portable test instruments for the exact determination of damaged pipes on the handling noise principle and geophone principle, gas detection and gas leakage instrumentation, electrical water leakage detectors, insulation test equipment, line locator for the location of metallic lines and synthetic materials lines, leak locator for the location of water pipe breaks, leak locator for the location of water pipe breaks, slide damper locator for the location of hidden slide damper; pressure detectors for the measurement of the pipe working pressure

Fabrics

Sound recording, sound reproducing and sound amplifying machines and apparatus; records in the form of discs, tapes, belts, foils and filaments; magnetic sound recordings magnetic devices included in this class; microphones; measuring devices and measuring instruments; electric metal detection devices; and parts and fittings included in this class for all the aforesaid goods.